Seiko Cal. 3878 - 539

This Hand-Winding model from 1981 features a 37mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-d00948a895dd]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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